{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["vulnerable system", "patch number", "time", "common vulnerabilities and exposures", "vulnerable system version", "supported platform", "patch", "releaser", "issues addressed"]}], "input": "Microsoft issued today an security update , but it was n't to backport the \" fixed \" Meltdown patches for older Windows 10 versions ."}
{"patch vulnerability": [{"vulnerable system": "Windows", "patch number": "NAN", "time": "today", "common vulnerabilities and exposures": "NAN", "vulnerable system version": "10 versions", "supported platform": "NAN", "patch": ["the \" fixed \" Meltdown patches", "an security update"], "releaser": "Microsoft", "issues addressed": "NAN"}]}